螯合剂
- 网络edta;chelating agent;Chelator;chelators
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螯合剂在H2O2漂白及废水处理中的变化与影响
Change and Effect of Chelating Agents in Peroxide Bleaching and Effluent Treatment
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这两个酶都显示了对单链DNA和双链DNA的酶切活性,但它们都需要二价阳离子(Mg2+,Ca2+)发挥活性,并且他们的活性都会受到螯合剂的抑制。
Both enzymes showed activities either on ssDNA or dsDNA . They required a divalent cation ( Mg2 + , Ca2 + ) and its activity was inhibited by chelating agents .
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螯合剂G的合成及在印染中的应用
The Synthesis of Chelating Agent G and Its Application in Printing and Dyeing
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壳聚糖螯合剂对Pb污染土壤植物修复的促进作用
Enhanced Phytoremediation of Lead-Contaminated Soils by Chitosan Chelating Agent
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有机螯合剂的存在能促进土壤中的固相Ni向水溶态转化,提高Ni的生物可利用性。
Organic chelators can enhance soil nickel bioavailability by transforming solid-nickel to solubile nickel in soil .
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螯合剂在山楂软化过程中对防止Vc损失的作用
The Effect of Chelating Agent on the Lost of Vc During Hawkthorn Softening Process
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SDS可明显地改变螯合剂对Cd、Cr的去除效果。
The removal effect of Cd and Cr by chelator could be changed markedly by SDS .
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浓碱液中H2O2稳定性的研究&MgSO4及某些螯合剂对H2O2的稳定作用
Studies on Stability of H_2O_2 in Strong Caustic & Effect of MgSO_4 and Chelating Agents on Stability of H_2O_2
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以亚硝基R盐作为螯合剂制备了负载树脂,研究了用该树脂分离富集Au(Ⅲ)、Pt(Ⅳ)和Pd(Ⅱ)的最佳条件。
The synthesis of loaded resin containing nitroso R salt as chelating group is reported in this paper .
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螯合剂EDTA的性质及其在水生生物培养与育苗中的作用
Properties and actions of chelator EDTA in hydrobiont culture
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GB/T13173.7-1993肥皂和洗涤剂中EDTA(螯合剂)含量的测定滴定法
Soaps and detergents & Determination of EDTA ( chelating agent ) contend Titrimetric method
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Ⅻ.3-羟基-4(1H)吡啶酮类螯合剂的合成
Specific sequestering agents for the actinides ⅻ . synthesis of 3-hydroxy-4 ( 1h ) - pyridinone ligands
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考察了溶液pH、螯合剂用量、重金属离子初始浓度对交联阳离子淀粉去除重金属离子效果的影响。
The effects of pH , chelator dosage and initial concentration of heavy metal ions on the removal efficiency of heavy metal ions using cross-linking cationic starch were studied .
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实验结果显示EDTA-2Na作为螯合剂在ZnO形貌演变过程中起着重要作用。
EDTA-2Na as a strong complexing agent plays a key role in the shape evolution .
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膜不通透性Zn2+螯合剂乙二胺四乙酸二钠钙(CaEDTA)能降低细胞内游离Zn2+含量,并抑制胞内MTⅢmRNA的表达。
The cell membrane impermeable Zn 2 + chelator could reduce the intracellular concentration of free Zn 2 + and the expression of MT ⅲ mRNA .
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目前半导体工业生产中普遍采用的清洗技术是RCA清洗技术.文中介绍了一种含表面活性剂和螯合剂的新型半导体清洗剂和清洗技术。
A new semiconductor cleaning technique is reported using the clean detergent containing surfactants and chelates .
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螯合剂EDTA的加入能显著提高植物体内的铅浓度以及Pb从植物根部向地上部的迁移能力。
The addition of chelator EDTA can enhance the Pb concentration in plants and the ability of transferring heavy metal from roots to shoots .
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螯合剂与木聚糖酶预处理对桉木KP浆含氧漂白的影响
The Effects of Pretreatment with Chelating Agents and / or Xylanase for Eucalyptus KP Oxygen Bleaching
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以EDTA为螯合剂,采用络合共沉淀法合成了纳米级镱、钬共掺杂的氟化钇钠上转换荧光材料。
Nanocrystals of up-conversion phosphor , ytterbium and holmium co-doped sodium yttrium fluoride were prepared by a co-precipitation method in the presence of EDTA .
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结果表明,螯合剂HY能显著改善长期热稳定性,并与β二酮、CaZn间有良好协同稳定作用;
The results show that the chelating agent HY can improve significantly long-term heat stability and there is good synergistic stability among Ca-Zn soap ,β - diketone and HY.
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在螯合剂存在下,洗提离子NH4~+能改变平衡,但不影响色谱动力学性能。
In the presence of the chelates elution ion NH_4 ~ + can change the equilibrium but has no affects on the kinetic .
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螯合剂DTPA和BAL对亚慢性镉染毒大鼠促排效果及组织分布的研究
Effects of Chelating Agents DTPA and BAL on Excretion and Tissue Level of Cadmium for Subchronic Cadmium Intoxication
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探讨了在山楂软化过程中加入螯合剂六偏磷酸钠、EDTA和植酸对防止Vc损失的作用。
Chelating agent such as sodium hexametaphosphate ( SHMP ) and EDTA and phytic acid were added during hawkthorn softening process , the lost of Vc was studied .
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控制细胞内游离〔Ca2+〕用的七种螯合剂BAPTA衍生物已合成成功。
Seven chelators BAPTA derivatives for controlling cytosolic free [ Ca2 + ] have been synthesized .
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本文研究了在升温条件下以EDTA为螯合剂排代分离稀土时缓冲剂NH4Ac的作用。
We have studied the effect of the buffer agent NH_4Ac , using EDTA as a complexing agent to separate rare earths at high temperature .
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以DDTC为螯合剂反相HPLC法分离测定铜钴镍汞
Using DDTC as chelating agent to separate and determine cu , co , ni and Hg by means of HPLC of oppsite phase
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研究了不同的掺水量、掺醇量、pH值、水解温度、螯合剂、搅拌时间、加水方式对胶凝时间的影响;
Studied some effect of conditions on gel time such as quantity of commingled water and Ti ( OBu ) 4 , pH value , hydrolysis temperature , chelating agents , mixing time and method of adding water ;
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采用水热法,以EDTA作为螯合剂,加入NiSe2作为晶种,在碱性条件下合成CoS2粉体。
CoS_2 powder was synthesized by EDTA-assisted hydrothermal method under alkali condition , adding NiSe_2 as seeds .
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理想的工艺条件是:原料采用进口桉木浆,打浆度在20°SR左右,添加1.1%的湿强剂和0.014%的螯合剂,在长网多缸抄纸机上制造。
The ideal process is : the imported eucalyptus pulp , beating degree 20 ° SR , 1.1 % wet strength additives and 0.014 % chelated chemicals , Fourdrinier paper machine .
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首次将人血清白蛋白(HSA)-螯合剂复合物作为介电层,制备了重金属离子选择性电容传感器。
A novel capacitive sensor based on human serum albumin ( HSA ) - chelant ? incomplex film as dielectric layer has been fabricated .